Jutanugarn said the sisters have played together before, but never in the same group on the final day. She said they are sharing the same living quarters this week, but she went on to explain they are very different characters.

“I think we are very nice to each other when we’re on the golf course, but off the golf course I think we [are] not nice to each other,” she joked.

Between siblings, old habits die hard.

“You know, she’s really professional,” Ariya said of her sister. “So her room is so clean. I throw everything. She yells at me every day.”